CVE-2020-36232 : Vulnerability Insights and Analysis
Learn about CVE-2020-36232 affecting Atlassian Gadgets. Discover the impact, affected versions, and mitigation steps to secure your systems against this security misconfiguration.
Atlassian Gadgets before version 4.2.37, from version 4.3.0 before 4.3.14, from version 4.3.2.0 before 4.3.2.4, from version 4.4.0 before 4.4.12, and from version 5.0.0 before 5.0.1 allowed unexpected DNS lookups and requests to arbitrary services due to a security misconfiguration.
Understanding CVE-2020-36232
This CVE involves a vulnerability in Atlassian Gadgets that could lead to unauthorized DNS lookups and requests to arbitrary services.
What is CVE-2020-36232?
The MessageBundleWhiteList class of Atlassian Gadgets had a flaw that allowed for unexpected DNS lookups and requests to arbitrary services due to incorrect handling of application base URL information.
The Impact of CVE-2020-36232
The vulnerability could be exploited by attackers to perform unauthorized DNS lookups and send requests to arbitrary services, potentially leading to further security breaches.
Technical Details of CVE-2020-36232
This section provides more technical insights into the CVE.
Vulnerability Description
The MessageBundleWhiteList class of Atlassian Gadgets incorrectly obtained application base URL information, allowing attackers to control the executing HTTP request.
Affected Systems and Versions
- Atlassian Gadgets before version 4.2.37
- Atlassian Gadgets from version 4.3.0 before 4.3.14
- Atlassian Gadgets from version 4.3.2.0 before 4.3.2.4
- Atlassian Gadgets from version 4.4.0 before 4.4.12
- Atlassian Gadgets from version 5.0.0 before 5.0.1
Exploitation Mechanism
Attackers could exploit this vulnerability by manipulating the application base URL information obtained from the HTTP request, leading to unauthorized DNS lookups and requests.
Mitigation and Prevention
Protect your systems from CVE-2020-36232 with the following measures:
Immediate Steps to Take
- Update Atlassian Gadgets to versions 4.2.37, 4.3.14, 4.3.2.4, 4.4.12, or 5.0.1 to mitigate the vulnerability.
- Monitor network traffic for any suspicious DNS lookups or requests.
Long-Term Security Practices
- Regularly review and update security configurations to prevent misconfigurations.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Apply security patches provided by Atlassian promptly to address the vulnerability and enhance system security.